20 = 400
Add 7x to each side: 136 = 27x + 20 Subtract 20 from each side: 116 = 27x Divide each side by 27: x = 116/27 = 4 & 8/27.
20 plus 20 equals 4020 plus 20 = 40
Yes.
803 + 20 = 823823 - 100 = 723803 plus 20 minus 100 equals 723.
205
20 percent is equivalent to .20 multiply 280 by .20 equals 56 280 plus 56 equals 336
1985 plus 20 is 2005
-15 plus 20 is 5.
20 + 88 = 108
-20
Of course!